<?php
/**
 * Created by PhpStorm.
 * User: liu
 * Date: 2018/9/25
 * Time: 0:34
 */
include "Student.php";
const A=2;
$srt1=new Student();
$srt2=new Student();
$srt1->Selfintroduction();
$srt2->Selfintroduction();